Megalosaurus was a predator of some up to 10 meters long and weighing 1 t. He lived in what is now Europe, America, Asia and Africa during the Jurassic period, 181 made 169 million years.Among their prizes were sauropods, large prehistoric animals and stegosaurs and mammals.Besides being a fast predator, with speeds that could reach 40 km / h thanks to its well-balanced structure, the Megalosaurus also got their food scavenging.The Megalosaurus was one of the first dinosaur discoveries, England 1818. At that time, and seeing the fossils found, these bones were so enormous that gave its name Megalosaurus (great lizard).The jaw of Megalosaurus had teeth long and curved, strongly subject to the gums to avoid losing in the struggle. The teeth were sharp with the corrugated edge that worked like a saw. Ripping a more efficient prey.To make matters worse, had prehistoric animal with sharp claws and tear that held the hard skin of the victims.